Have you ever wondered why the gas station has “unleaded fuel” but there isn’t a “leaded” option? The answer has to do with a chemical called tetraethyl lead, which is an organometallic compound, or an organic compound with a...

The minimum amount of energy needed to initiate a chemical reaction.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

A substance that increases the rate of a chemical reaction without itself being permanently changed or used up. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...

In organic chemistry, electrophiles, nucleophiles, and free radicals are the three key types of reactive intermediates. Electrophiles are electron-deficient species that seek out electrons, making them attracted to regions of high...

Introduction to Reductions & Sodium Borohydride (Theory & Problems)

A collaboration between Japan's Nagasaki University and Eiken Chemical has developed a test that can detect an Ebola infection in 30 minutes. After blood is taken from a patient, RNA is extracted from the sample and synthesised into DNA,...

What's a formylation? The introduction of a formyl group, of course. This refers to a way to make aldehydes. The Vilsmeier reaction is one such method, developed in 1927. Let's get a look at this reaction, its mechanism, and the...

From DNA to Covid-19 tests, the race is on for health tech startups to provide fast and accurate results from home. Prenetics Co-founder and CEO discusses how his company has pivoted during the pandemic to make at-home tests more...

Microbiology: Voges-Proskauer Test

Grignard Reactions: Theory & Practice with Strategy

Chemistry doesn't always work perfectly, silly. Molecules are left over when one thing runs out! Also we never get all of the products that we thought we might by doing the math. You gotta know about the limiting reagents and the percent...

Overview or Oxidation Reactions in OCHEM

Need some organic chemistry practice? Here's a tricky synthesis to try!

Need some organic chemistry practice? Here's a tricky synthesis to try!

Need some organic chemistry practice? Here's a tricky mechanism to try!

It explains the preparation, physical and chemical properties, uses of alkanes.

The strain first identified in the UK has spread rapidly in Sri Lanka. Scientists are now looking at another strain first found in India.

Scientist working at the laboratory

Scientist working at the laboratory

Titrating chemicals

Scientist working at the laboratory

Scientist working at the laboratory

lab

Female and male scientists working in a laboratory.